🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`de-redbull.com`

DNSSEC	⚠️ Not signed
NS	`ns15.ultradns2.com` ⚠️ Not in zone NS records
		A	2610:a1:310f::53^{🇺🇸 AS3991692610:a1:310f::/48}
			PTR	`ns15.ultradns2.com`
		A	204.74.104.15^{🇺🇸 AS399169204.74.104.0/24 UltraDNS}
			PTR	`ns15.ultradns2.com`
NS	`ns15.ultradns2.org` ⚠️ Not in zone NS records
		A	2610:a1:320f::53^{🇺🇸 AS3991692610:a1:320f::/48}
			PTR	`ns15.ultradns2.org`
		A	204.74.106.15^{🇺🇸 AS399169204.74.106.0/24 UltraDNS}
			PTR	`ns15.ultradns2.org`
NS	`pdns91.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::7f^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns91.ultradns.biz`
		A	156.154.66.91^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns91.ultradns.biz`
NS	`pdns91.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::7f^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns91.ultradns.com`
		A	156.154.64.91^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns91.ultradns.com`
NS	`pdns91.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::7f^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns91.ultradns.net`
		A	156.154.65.91^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns91.ultradns.net`
NS	`pdns91.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::7f^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns91.ultradns.org`
		A	156.154.67.91^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns91.ultradns.org`

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786861584

Same first word

de-redbull.com

DNS History

7 records (6 active, 1 former)

●NSns15.ultradns2.com2026-03-31 → 2026-08-16 · 3 obs

○ 2016-12-17 13:50:50
● 2026-03-31 02:12:56
● 2026-08-16 06:29:12

●NSns15.ultradns2.org2026-03-31 → 2026-08-16 · 3 obs

○ 2016-12-17 13:50:50
● 2026-03-31 02:12:56
● 2026-08-16 06:29:12

●NSpdns91.ultradns.biz2016-12-17 → 2026-08-16 · 2 obs

● 2016-12-17 13:50:50
● 2026-08-16 06:29:12

●NSpdns91.ultradns.com2016-12-17 → 2026-08-16 · 2 obs

● 2016-12-17 13:50:50
● 2026-08-16 06:29:12

●NSpdns91.ultradns.net2016-12-17 → 2026-08-16 · 2 obs

● 2016-12-17 13:50:50
● 2026-08-16 06:29:12

●NSpdns91.ultradns.org2016-12-17 → 2026-08-16 · 2 obs

● 2016-12-17 13:50:50
● 2026-08-16 06:29:12

○A204.74.99.1002016-12-17 → 2026-03-31 · 4 obs

● 2016-12-17 13:50:50
● 2026-03-31 02:12:56
○ 2026-08-16 06:29:10
○ 2026-08-16 06:29:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
de-redbull.com	pdns91.ultradns.net, pdns91.ultradns.com, pdns91.ultradns.biz, pdns91.ultradns.org...	4 records

✅ Authoritative Response

Server:204.74.106.15

NS records: pdns91.ultradns.net, pdns91.ultradns.com, pdns91.ultradns.biz, pdns91.ultradns.org, ns15.ultradns2.com, ns15.ultradns2.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for de-redbull.com (unsigned zone)

⏱️ Timing

Total: 4148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
NS	6	`ns15.ultradns2.com, ns15.ultradns2.org...`
TXT	1	`v=spf1 -all`
SOA	1	`pdns91.ultradns.com domains.redbull.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns91.ultradns.com, pdns91.ultradns.com, ns15.ultradns2.com...)

Analysis

Name Servers

de-redbull.com delegates authority to 6 name servers: pdns91.ultradns.biz, pdns91.ultradns.com, ns15.ultradns2.com plus 3 other.

There is at least partial name server overlap between de-redbull.com and other domains — redbullmydelniczki.pl, redbullsoccer.com, redbullcollection.at and two more among them.

The name servers pdns91.ultradns.org, pdns91.ultradns.net and ns15.ultradns2.org are often found in combination with these name servers.

Host names that have two IP addresses:

pdns91.ultradns.biz directs traffic to 156.154.66.91 and 2610:a1:1015::7f.

pdns91.ultradns.com directs traffic to 156.154.64.91 and 2001:502:f3ff::7f.

ns15.ultradns2.com directs traffic to 204.74.104.15 and 2610:a1:310f::53.

pdns91.ultradns.net directs traffic to 156.154.65.91 and 2610:a1:1014::7f.

pdns91.ultradns.org directs traffic to 156.154.67.91 and 2001:502:4612::7f.

ns15.ultradns2.org directs traffic to 204.74.106.15 and 2610:a1:320f::53.